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Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Brace, Bridge T88.6 - Trout Creek, south of South Junction, Oregon, Line Segment 053, Milepost 88.62, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Longitudinal Brace, Bridge 267.6 - Bouvey Canyon, Windust, Washington, Line Segment 047, Milepost 267.6. Sheet 777 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lock Machinery, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 210, 1957.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beams, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beam, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 11 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beam, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 11 - 12, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beam, Bridge 8.8 - Oregon Slough, north of North Portland Junction, Oregon, Line Segment 047, Milepost 8.62. Sheet Z - 3 - 23 - 16, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beam, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 4 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Load Beam, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 3 - 27, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - List of Drawings, Bridge T125.7 - Crooked River, south of Opal City, Oregon, Line Segment 053, Milepost 125.71. Sheet Z - 7 - 26 - 1, undated.